Improved boot-tree



ILS'. 50057/3113.

' PATENTE-D DE@ 17 i867 @uiten tetra @anni {fir-r,

F. S. WILT, 0F ALLENTOWN, PENNSYLVANIA. .Letters Patent No.72,351,dafed'12ecmter 17, i857.

elle .trigaule aferra it iii-itat @that patent mit hating hat nf thestmt TO ALL WHOM IT MAY CONCERN: f

Be it known that I, 4F. S. WILT, of Allentown,in4 the county of Lehigh,and State of Pennsylvania, have invented a new and useful Improvement`in Boot-Tree; and I do hereby declare that the following is a full,clear, and-exact description thereof, which will enable those skilled inthe art to make and use tbcsame, reference being had to the accompanyingdrawings, forming part of this specification. v

This invention relates to a new and improved method of constructingboot-trees; and the invention consists in an arrangement whereby the legand foot of the boot are treed or lexpanded simultaneously by operatinga single lever-nut on the upper end of the tree, as will be hereinafterdescribed. The drawing- Figure 1, represents a longitudinal .centralsection of the tree, through the line a: x of iig. 2, showing theoperating parts, and the manner in which they are combined.

Figure 2 is a horizontal section through the line y y of iig. 1.

Similar letters of reference indicate corresponding parts. A

This boot-tree does not dilfer in its outward form materially fromothers, where the parts are expanded by other means. v i

A is the front, and B the rear portion of the tree. Thev foot isattached to the front portion in the usual manner. The foot'of the treeyis in separate pieces, C being the instep and top of the foot, and Drepresents the sole. These two parts are hinged together as seen in thedrawing. Between the partsA and B there. is a bar, which is markedE,uponthe.uppcr end of which there-is a screw, a, which passes throughtlre metallic cap-piece b on the top of thepart B.- F-'is ajlever orcrank-nut on the screw a, as steen in the drawing. As the nut Fis turnedon to the screw a, the bar' will be moved upward. The interior cr bottomsurface of the groove in the part B; in which the bar moveshis in theforml represented inethe drawing. Two convex surfaces are formed, c andd, which (if the' body ofthe tree'be made of wood) are lined with metal,as seen represented in blue. Attached to the har E, on each side, thereare curved triangular-shaped plates, e at the upper, andf at the lower.portion, whichonone edge conform to the shape of the curved or convexsurfaces c 'and d. .The arrangementis such that when the bar E is down,these plates e-andfrest upon those curved surfaces -on one edge, whilethe other edge is flush with the bar. `When in this position -thetwoparts of the tree A and B will come in contact-,nud theltreecan'be-introduced into theboo't. By 'drawing up the bar with the screw ashort l -barE and platesf andy.4

distance,the position seen in the drawing, the concave surfaces of theplates e andf will corne in contact with the convex surfaces c and d,and the result is the two .parts of the tree are forced apart as seen.The plates e and f are pivoted to the barE, so that they work freolyinthe groove in B. The platesfare connected together, and are attached tothe lower end ofthe bar-E. g is an irregular-shaped plate, which ispivoted to the plates f, and which hangs penddlous` from them, but it isgoverned in its upward movement by the curvedor convex surface of d,'thcsame as the other platesare. h is a lever, whose fulcrnm istat 1,', thetoe or lower end of which bears upon the sole-piece D, as seen in thedrawing. J'is-a slide in ,a recess in the part A, which has an arm, k,which is connected with theleverh, as seen at the point'o. l This slideprojects from A, so that when the bar and plate g are raised, the slideJ will 'be forced inward, `which will force the sole-piece D down bythelever 11.. This'expansion at the sole takes place, as will beseen,lsimultaneous with the ,expansion of the leg, and both operationsare perforined by simply turning lever-nut are thin plates attached tothe part A of the tree, which serve as guides for the hack part B. i

Having thus described my invention, I claim as new, and desire to'secureby LettersPatent- 1. The bar E, the plates e, f, and g, constructed andarranged as described, in combination with the curved or convexsurfacesc and d, for the'purposes set forth. v

2. The'slide'J and the lever h, arranged andl operating as shown anddescribed, in combination with the `n. s. WILT.

Witnesses:

C. W. STUBEN, Grenen RITTER.

